/* ============================================================
   武汉安澜泰泽环境科技有限公司 — 站点样式
   风格：清爽科技风（Light Tech）
   · 浅色冰蓝底 + 网格 HUD 背景
   · 电光蓝 → 青 渐变作为唯一强调色
   · 等宽字体承载所有数字与英文标签（数据感）
   · 小圆角 + 细边框 + 低饱和投影，保证清爽
   设计约束：高可读性 + 高抓取友好度（关键内容不依赖 JS）
   ============================================================ */

:root {
  /* —— 底色层 —— */
  --c-bg: #f3f8fd;
  --c-surface: #ffffff;
  --c-surface-2: #f1f7fe;
  --c-surface-3: #e6f0fd;
  --c-glass: rgba(255, 255, 255, .86);

  /* —— 文字层 —— */
  --c-text: #08192b;
  --c-text-2: #42576d;
  --c-text-3: #71879e;

  /* —— 强调层 —— */
  --c-primary: #0a63f0;
  --c-primary-dark: #0547b8;
  --c-primary-light: #e3eeff;
  --c-accent: #00b8d9;
  --c-accent-light: #ddf7fd;
  --c-mint: #00c9a0;

  --grad-brand: linear-gradient(120deg, #0a63f0 0%, #0092e6 55%, #00b8d9 100%);
  --grad-brand-v: linear-gradient(180deg, #0a63f0 0%, #00b8d9 100%);

  /* —— 线条层 —— */
  --c-border: #dce9f8;
  --c-border-strong: #c0d7f0;
  --grid-line: rgba(10, 99, 240, .055);

  /* —— 形状与投影 —— */
  --radius-s: 6px;
  --radius: 10px;
  --radius-l: 14px;
  --shadow-s: 0 1px 2px rgba(8, 25, 43, .04);
  --shadow: 0 1px 2px rgba(8, 25, 43, .04), 0 14px 34px -24px rgba(10, 99, 240, .45);
  --shadow-glow: 0 10px 26px -14px rgba(10, 99, 240, .55);

  --maxw: 1140px;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  overflow-wrap: break-word;
  /* 网格 HUD + 顶部双色光晕，固定不随滚动，形成"仪表盘"底纹 */
  background-color: var(--c-bg);
  background-image:
    radial-gradient(880px 400px at 80% -10%, rgba(0, 184, 217, .15), transparent 70%),
    radial-gradient(760px 380px at 10% 2%, rgba(10, 99, 240, .11), transparent 72%),
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
  background-repeat: no-repeat, no-repeat, repeat, repeat;
  background-attachment: fixed;
}

img, svg { max-width: 100%; height: auto; }

a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }

a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 2px solid var(--c-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

::selection { background: rgba(10, 99, 240, .16); }

/* ---------- 基础排版 ---------- */
h1, h2, h3, h4 { line-height: 1.35; color: var(--c-text); margin: 0 0 .6em; font-weight: 700; }
h1 { font-size: clamp(1.5rem, 1.15rem + 1.5vw, 2.15rem); letter-spacing: -.022em; }
h2 { font-size: clamp(1.25rem, 1.05rem + .8vw, 1.6rem); margin-top: 2.2em; letter-spacing: -.015em; }
h3 { font-size: 1.1rem; margin-top: 1.6em; }
h4 { font-size: 1rem; }
p { margin: 0 0 1em; color: var(--c-text-2); }
ul, ol { margin: 0 0 1em; padding-left: 1.35em; color: var(--c-text-2); }
li { margin-bottom: .4em; }
strong { color: var(--c-text); font-weight: 600; }
code { font-family: var(--font-mono); font-size: .88em; background: var(--c-surface-3); padding: .1em .4em; border-radius: 4px; color: var(--c-primary-dark); }

/* 数字统一走等宽 + 表格数字对齐，营造数据仪表感 */
.price-big, .price-highlight, .card-num, .case dd, table td, table th,
.factbox li, .timeline .tl-title, .header-cta, .brand-sub { font-variant-numeric: tabular-nums; }

/* ---------- 布局 ---------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
main { display: block; }
section { padding: 8px 0; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--c-primary); color: #fff; padding: 10px 16px; border-radius: 0 0 var(--radius-s) 0;
}
.skip-link:focus { left: 0; }

/* ---------- 顶部导航（玻璃 + 渐变发丝线） ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .82);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--c-border);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(10, 99, 240, .5), rgba(0, 184, 217, .5), transparent);
}
.header-inner {
  display: flex; align-items: center; gap: 18px;
  max-width: var(--maxw); margin: 0 auto; padding: 12px 20px;
  flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--c-text); }
.brand:hover { text-decoration: none; }
.brand-mark {
  width: 36px; height: 36px; flex: 0 0 36px;
  display: grid; place-items: center;
  background: var(--grad-brand);
  border-radius: 9px;
  box-shadow: 0 6px 16px -8px rgba(10, 99, 240, .8);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-name { font-weight: 700; font-size: .98rem; letter-spacing: -.015em; }
.brand-sub { font-size: .68rem; color: var(--c-text-3); font-family: var(--font-mono); letter-spacing: .02em; }

.site-nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 2px; }
.site-nav a {
  display: block; padding: 8px 12px; border-radius: var(--radius-s);
  font-size: .9rem; color: var(--c-text-2); font-weight: 500;
  border: 1px solid transparent;
  transition: background .16s, color .16s, border-color .16s;
}
.site-nav a:hover { background: var(--c-surface-2); color: var(--c-primary); text-decoration: none; border-color: var(--c-border); }
.site-nav a[aria-current="page"] {
  background: var(--c-primary-light); color: var(--c-primary-dark); font-weight: 600;
  border-color: rgba(10, 99, 240, .18);
}

.header-cta {
  font-family: var(--font-mono);
  font-size: .8rem; letter-spacing: .02em;
  background: var(--grad-brand); color: #fff;
  padding: 9px 15px; border-radius: 999px; font-weight: 600; white-space: nowrap;
  box-shadow: 0 8px 20px -12px rgba(10, 99, 240, .9);
}
.header-cta:hover { text-decoration: none; color: #fff; filter: brightness(1.06); }

/* ---------- 面包屑 ---------- */
.breadcrumb { font-size: .78rem; color: var(--c-text-3); padding: 14px 0 0; font-family: var(--font-mono); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.breadcrumb li { margin: 0; display: flex; gap: 6px; }
.breadcrumb li + li::before { content: "/"; color: var(--c-border-strong); }
.breadcrumb a { color: var(--c-text-3); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 44px 0 38px;
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(180deg, rgba(255, 255, 255, .92) 0%, rgba(243, 248, 253, .55) 100%);
}
/* 极光：两道低饱和光斑缓慢漂移 */
.hero::before {
  content: ""; position: absolute; left: -8%; right: -8%; top: -46%; height: 560px;
  pointer-events: none;
  background:
    radial-gradient(closest-side, rgba(10, 99, 240, .22), transparent 100%),
    radial-gradient(closest-side, rgba(0, 184, 217, .24), transparent 100%);
  background-size: 44% 100%, 38% 100%;
  background-position: 16% 52%, 78% 42%;
  background-repeat: no-repeat;
  filter: blur(16px);
  animation: aurora 20s ease-in-out infinite alternate;
}
.hero > .wrap { position: relative; z-index: 1; }
/* 底部渐变发丝线，与顶部导航呼应 */
.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(10, 99, 240, .45), rgba(0, 184, 217, .45), transparent);
}
.hero h1 { max-width: 24ch; }
.hero .lead { font-size: 1.05rem; color: var(--c-text-2); max-width: 66ch; }

@keyframes aurora {
  0%   { background-position: 14% 52%, 80% 42%; }
  50%  { background-position: 30% 44%, 64% 52%; }
  100% { background-position: 20% 50%, 74% 38%; }
}

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono);
  font-size: .72rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--c-primary-dark);
  background: linear-gradient(90deg, var(--c-primary-light), var(--c-accent-light));
  border: 1px solid rgba(10, 99, 240, .16);
  padding: 5px 12px 5px 10px; border-radius: 4px; margin-bottom: 14px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--c-accent);
  box-shadow: 0 0 0 3px rgba(0, 184, 217, .2);
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }

.btn {
  display: inline-block; padding: 11px 20px; border-radius: 999px;
  font-weight: 600; font-size: .92rem; border: 1px solid transparent; cursor: pointer;
  transition: filter .16s, box-shadow .16s, background .16s, transform .16s;
}
.btn-primary { background: var(--grad-brand); color: #fff; box-shadow: 0 12px 26px -16px rgba(10, 99, 240, .95); }
.btn-primary:hover { color: #fff; text-decoration: none; filter: brightness(1.07); transform: translateY(-1px); }
.btn-ghost { background: rgba(255, 255, 255, .8); color: var(--c-primary-dark); border-color: var(--c-border-strong); }
.btn-ghost:hover { background: var(--c-surface-2); border-color: var(--c-primary); text-decoration: none; }

/* ---------- 事实速览（HUD 面板） ---------- */
.factbox {
  position: relative;
  background: var(--c-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 24px 26px;
  box-shadow: var(--shadow);
  margin-top: 26px;
}
/* 左侧刻度条 */
.factbox::before {
  content: ""; position: absolute; left: 0; top: 16px; bottom: 16px; width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--grad-brand-v);
}
.factbox h2 {
  margin: 0 0 4px; font-size: .95rem;
  font-family: var(--font-mono); letter-spacing: .06em; text-transform: uppercase;
  color: var(--c-primary-dark);
}
.factbox .hint { font-size: .8rem; color: var(--c-text-3); margin: 0 0 16px; }
.factbox ul { list-style: none; padding: 0; margin: 0; }
.factbox li {
  position: relative; padding-left: 24px; margin-bottom: 9px;
  font-size: .93rem; color: var(--c-text-2); line-height: 1.68;
}
.factbox li::before {
  content: ""; position: absolute; left: 5px; top: .62em;
  width: 5px; height: 5px; border-radius: 1px; transform: rotate(45deg);
  background: var(--grad-brand-v);
}

/* ---------- 卡片网格 ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.card {
  position: relative; overflow: hidden;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-s);
  transition: border-color .18s, box-shadow .18s, transform .18s;
}
/* 顶部渐变发丝线：常显淡，悬停变亮 */
.card::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px;
  background: var(--grad-brand);
  opacity: .28; transition: opacity .18s;
}
.card:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow); transform: translateY(-2px); }
.card:hover::before { opacity: 1; }
.card h3 { margin-top: 0; }
.card p:last-child, .card ul:last-child { margin-bottom: 0; }

.card-num {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 6px; margin-bottom: 12px;
  font-family: var(--font-mono); font-size: .8rem; font-weight: 700;
  background: var(--grad-brand); color: #fff;
  box-shadow: 0 6px 14px -8px rgba(10, 99, 240, .9);
}

/* ---------- 区块标题 ---------- */
.section-head { max-width: 74ch; margin-bottom: 22px; }
.section-head h2 { position: relative; padding-left: 16px; }
.section-head h2::before {
  content: ""; position: absolute; left: 0; top: .2em; bottom: .2em; width: 4px;
  border-radius: 2px; background: var(--grad-brand-v);
}
.section-head p { margin-bottom: 0; }

/* ---------- 表格 ---------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 2px; }
table {
  width: 100%; border-collapse: separate; border-spacing: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-border); border-radius: var(--radius);
  overflow: hidden; font-size: .92rem; margin: 0 0 8px;
  box-shadow: var(--shadow-s);
}
caption {
  text-align: left; font-weight: 700; font-size: .92rem; color: var(--c-text);
  padding: 15px 18px 11px; caption-side: top;
  border-bottom: 1px solid var(--c-border);
  background: linear-gradient(180deg, #fbfdff, #f5faff);
}
caption::before {
  content: ""; display: inline-block; width: 8px; height: 8px; margin-right: 8px;
  border-radius: 2px; background: var(--grad-brand); vertical-align: 1px;
}
caption .caption-en {
  display: block; font-weight: 400; font-size: .72rem; color: var(--c-text-3);
  font-family: var(--font-mono); letter-spacing: .02em; margin-top: 2px;
}
thead th {
  background: var(--c-surface-3);
  color: var(--c-primary-dark);
  font-family: var(--font-mono);
  font-weight: 600; font-size: .78rem; letter-spacing: .06em;
  text-align: left; padding: 11px 18px;
  border-bottom: 1px solid var(--c-border-strong);
  white-space: nowrap;
}
tbody td, tbody th {
  padding: 12px 18px; border-bottom: 1px solid var(--c-border);
  color: var(--c-text-2); vertical-align: top; text-align: left;
}
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody tr:nth-child(even) { background: #fafdff; }
tbody tr:hover { background: #f2f8ff; }
tbody th[scope="row"] {
  color: var(--c-text); font-weight: 600; white-space: nowrap;
  font-family: var(--font-mono); font-size: .88rem;
}
.table-note { font-size: .84rem; color: var(--c-text-3); margin: 0 0 26px; padding-left: 2px; }

/* ---------- 价格强调 ---------- */
.price-highlight {
  display: inline-block; font-family: var(--font-mono); font-weight: 700;
  color: var(--c-primary-dark);
  background: var(--c-primary-light);
  border: 1px solid rgba(10, 99, 240, .14);
  padding: 2px 10px; border-radius: 4px; font-size: .85rem;
}
.price-big {
  font-family: var(--font-mono);
  font-size: 1.45rem; font-weight: 700; line-height: 1.2;
  color: var(--c-primary-dark); letter-spacing: -.01em;
}
@supports (-webkit-background-clip: text) or (background-clip: text) {
  .price-big {
    background: var(--grad-brand);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
  }
}

/* ---------- 计费区块（深色渐变 + 网格，整页唯一的重色块） ---------- */
.flow-band {
  position: relative; overflow: hidden;
  color: #fff; border-radius: var(--radius-l); padding: 30px 28px; margin: 10px 0 26px;
  border: 1px solid rgba(255, 255, 255, .18);
  background:
    linear-gradient(rgba(255, 255, 255, .07) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(90deg, rgba(255, 255, 255, .07) 1px, transparent 1px) 0 0 / 34px 34px,
    linear-gradient(135deg, #042f7a 0%, #0a63f0 48%, #00b8d9 100%);
  box-shadow: 0 30px 60px -38px rgba(4, 47, 122, .85);
}
.flow-band h2, .flow-band h3, .flow-band strong { color: #fff; }
.flow-band p, .flow-band li { color: rgba(255, 255, 255, .92); }
.flow-band ul { padding-left: 1.2em; }
.flow-band .tagrow { margin-top: 14px; }
.flow-band .tag { background: rgba(255, 255, 255, .14); color: #fff; border-color: rgba(255, 255, 255, .34); }
/* 深色底上取消渐变文字，保证对比度 */
.flow-band .price-big {
  background: none; color: #fff;
  -webkit-text-fill-color: #fff;
}

/* ---------- 标签 ---------- */
.tagrow { display: flex; flex-wrap: wrap; gap: 7px; margin: 10px 0 0; }
.tag {
  display: inline-block;
  font-family: var(--font-mono); font-size: .73rem; font-weight: 500;
  padding: 3px 9px; border-radius: 4px;
  background: var(--c-surface-2); color: var(--c-text-2);
  border: 1px solid var(--c-border);
}
.tag-accent { background: var(--c-accent-light); color: #0a6c80; border-color: #b6e9f2; }
.tag-sample { background: #fff6e0; color: #8a6100; border-color: #f1d795; }

/* ---------- 案例 ---------- */
.case {
  position: relative;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 22px 24px; box-shadow: var(--shadow-s);
  margin-bottom: 18px;
  transition: border-color .18s, box-shadow .18s;
}
.case:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow); }
.case::before {
  content: ""; position: absolute; left: 0; top: 22px; bottom: 22px; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--grad-brand-v); opacity: .55;
}
.case-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: baseline; justify-content: space-between; }
.case h3 { margin: 0; font-size: 1.05rem; }
.case-meta { font-family: var(--font-mono); font-size: .76rem; color: var(--c-text-3); white-space: nowrap; }
.case dl {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 10px 18px; margin: 16px 0; padding: 16px;
  background: linear-gradient(180deg, #f7fbff, #eff7ff);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-s);
}
.case dt {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .06em;
  color: var(--c-text-3); margin: 0 0 2px;
}
.case dd { margin: 0; font-size: .9rem; color: var(--c-text); font-weight: 600; }
.case p { margin-bottom: .7em; font-size: .93rem; }
.case-result { padding-left: 14px; border-left: 3px solid var(--c-accent); }

/* ---------- 时间线 ---------- */
.timeline { list-style: none; padding: 0; margin: 0 0 1em; position: relative; }
.timeline::before {
  content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px;
  background: linear-gradient(180deg, var(--c-primary), var(--c-accent));
  opacity: .35;
}
.timeline li { position: relative; padding: 0 0 18px 36px; margin: 0; }
.timeline li::before {
  content: ""; position: absolute; left: 2px; top: .5em;
  width: 14px; height: 14px; border-radius: 4px;
  background: var(--c-surface); border: 2px solid var(--c-primary);
  box-shadow: 0 0 0 3px rgba(10, 99, 240, .1);
}
.timeline .tl-title {
  font-family: var(--font-mono); font-weight: 700; color: var(--c-primary-dark);
  display: block; font-size: .9rem; letter-spacing: .01em;
}
.timeline .tl-text { font-size: .9rem; color: var(--c-text-2); }

/* ---------- 步骤 ---------- */
.steps { list-style: none; padding: 0; margin: 0 0 1em; counter-reset: s; }
.steps li {
  counter-increment: s; position: relative; padding: 0 0 15px 44px;
  margin: 0; font-size: .93rem;
}
.steps li::before {
  content: counter(s, decimal-leading-zero); position: absolute; left: 0; top: 0;
  width: 30px; height: 26px; border-radius: 5px;
  display: grid; place-items: center;
  font-family: var(--font-mono); font-size: .75rem; font-weight: 700;
  color: var(--c-primary-dark);
  background: var(--c-primary-light);
  border: 1px solid rgba(10, 99, 240, .16);
}
.steps .st-title { font-weight: 600; color: var(--c-text); }

/* ---------- FAQ ---------- */
.faq-group { margin-bottom: 30px; }
.faq-group > h3 {
  font-family: var(--font-mono); font-size: .76rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--c-primary-dark); margin: 0 0 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--c-border);
}
details.faq {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius-s); margin-bottom: 10px; overflow: hidden;
  transition: border-color .16s, box-shadow .16s;
}
details.faq:hover { border-color: var(--c-border-strong); }
details.faq[open] { box-shadow: var(--shadow); border-color: var(--c-border-strong); }
details.faq > summary {
  cursor: pointer; padding: 15px 20px; font-weight: 600; color: var(--c-text);
  font-size: .96rem; list-style: none; position: relative; padding-right: 48px;
}
details.faq > summary::-webkit-details-marker { display: none; }
details.faq > summary::after {
  content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: .95rem; font-weight: 500;
  color: var(--c-primary); background: var(--c-primary-light);
  border-radius: 4px; line-height: 1;
}
details.faq[open] > summary::after { content: "\2013"; background: var(--c-accent-light); color: #0a6c80; }
details.faq .faq-a {
  padding: 0 20px 18px; color: var(--c-text-2); font-size: .93rem;
  border-top: 1px solid var(--c-border); padding-top: 14px; margin-top: 0;
}
details.faq .faq-a p:last-child { margin-bottom: 0; }

/* ---------- 提示块 ---------- */
.notice {
  background: #fff8e8; border: 1px solid #f1d795; border-left: 3px solid #e0a800;
  border-radius: var(--radius-s); padding: 14px 18px; font-size: .88rem;
  color: #6d4c00; margin: 0 0 20px;
}
.notice strong { color: #593e00; }

.callout {
  position: relative; overflow: hidden;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 28px 24px; box-shadow: var(--shadow);
  text-align: center;
}
.callout::before {
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 3px;
  background: var(--grad-brand);
}
.callout h2 { margin-top: 0; }
.callout .btn { margin-top: 6px; }

/* ---------- 联系方式 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; }
.contact-item {
  position: relative; overflow: hidden;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 20px;
  transition: border-color .18s, box-shadow .18s;
}
.contact-item:hover { border-color: var(--c-border-strong); box-shadow: var(--shadow); }
.contact-item::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--grad-brand-v); opacity: .5;
}
.contact-item .label {
  font-family: var(--font-mono); font-size: .7rem; letter-spacing: .12em; text-transform: uppercase;
  color: var(--c-text-3); margin-bottom: 6px;
}
.contact-item .value { font-size: 1.05rem; font-weight: 600; color: var(--c-text); font-family: var(--font-mono); }
address { font-style: normal; }

/* ---------- 微信二维码 ---------- */
.qr-card {
  display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: center;
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow);
}
/* 二维码始终垫白底：暗色背景下静区会被吞掉，扫码识别率明显下降 */
.qr-figure {
  background: #fff; border: 1px solid var(--c-border);
  border-radius: var(--radius-s); padding: 10px; line-height: 0; justify-self: start;
}
.qr-figure img { display: block; width: 240px; max-width: 100%; height: auto; }
.qr-info h3 { margin-top: 0; }
.qr-list { list-style: none; padding: 0; margin: 0 0 14px; }
.qr-list li {
  display: flex; gap: 12px; padding: 7px 0; align-items: baseline;
  border-bottom: 1px dashed var(--c-border); font-size: .95rem;
}
.qr-list li:last-child { border-bottom: 0; }
.qr-list span { flex: 0 0 5em; color: var(--c-text-3); font-size: .87rem; }
.qr-list strong { font-weight: 600; color: var(--c-text); }
.qr-tip { font-size: .87rem; color: var(--c-text-2); margin: 0; }

@media (max-width: 640px) {
  .qr-card { grid-template-columns: 1fr; justify-items: center; gap: 20px; }
  .qr-figure { justify-self: center; }
  .qr-info { text-align: center; }
  .qr-list li { justify-content: center; }
}

/* ---------- 页脚 ---------- */
.site-footer {
  margin-top: 56px; color: #a9c2d6; padding: 42px 0 26px; font-size: .87rem;
  border-top: 1px solid rgba(255, 255, 255, .08);
  background:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 36px 36px,
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px) 0 0 / 36px 36px,
    linear-gradient(180deg, #061626 0%, #082539 100%);
}
.site-footer h2 {
  color: #fff; font-size: .82rem; margin: 0 0 14px;
  font-family: var(--font-mono); letter-spacing: .12em; text-transform: uppercase;
}
.site-footer a { color: #a9c2d6; }
/* 页脚「服务区域」等粗体标签需要白色，原来是内联 style。
   站点 CSP 不含 'unsafe-inline'，内联样式会被浏览器丢弃。 */
.site-footer strong { color: #fff; }
.site-footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 26px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 6px; }

/* 页脚迷你二维码：页脚是深色底，白底容器是扫码可用的前提条件 */
.qr-mini { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.qr-mini img {
  display: block; width: 104px; height: 104px; flex: none;
  background: #fff; border-radius: 8px; padding: 5px;
}
.qr-mini span { font-size: .8rem; line-height: 1.5; }
.footer-bottom {
  margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: .78rem; color: #7f9aae; display: flex; flex-wrap: wrap; gap: 8px 20px; justify-content: space-between;
}
.footer-bottom p { color: #7f9aae; margin: 0; }

/* ---------- 页脚备案号（ICP / 公安联网） ---------- */
.filing { font-family: var(--font-mono); font-size: .74rem; letter-spacing: .02em; }
.filing-sep { margin: 0 .55em; opacity: .45; }
/* 公安联网备案图标：官方要求图标显示在备案编号之前，故与编号同处一个 <a> 的兄弟位置。
   尺寸用 em 跟随字号缩放；vertical-align 微调是为了让图标与等宽字体的基线对齐。 */
.filing-icon { width: 1.05em; height: 1.05em; vertical-align: -.16em; margin-right: .4em; }

/* ---------- GEO 数据入口（页脚小字） ---------- */
.ai-entry { font-family: var(--font-mono); font-size: .74rem; }
.ai-entry code { background: rgba(255, 255, 255, .1); color: #cfe3ef; }

/* ---------- 现场照片画廊 ---------- */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); clip-path: inset(50%);
  white-space: nowrap; border: 0;
}

.gallery-wrap { margin: 18px 0 4px; }
.gallery-label {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .03em;
  color: var(--c-text-3); margin: 0 0 10px;
  display: flex; flex-wrap: wrap; gap: 4px 12px; align-items: baseline;
}
.gallery-more { font-weight: 600; }
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 9px;
}
.shot { margin: 0; }
.shot a {
  display: block; position: relative;
  border: 1px solid var(--c-border); border-radius: var(--radius-s);
  overflow: hidden; background: var(--c-surface-2);
  aspect-ratio: 3 / 4;
  transition: border-color .18s, box-shadow .18s;
}
.shot img {
  display: block; width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s cubic-bezier(.2, .7, .3, 1);
}
.shot a:hover { border-color: var(--c-primary); box-shadow: var(--shadow-glow); }
.shot a:hover img { transform: scale(1.05); }
.shot a::after {
  content: "查看原图"; position: absolute; inset: auto 0 0 0;
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .06em;
  text-align: center; padding: 5px 4px; color: #fff;
  background: linear-gradient(180deg, transparent, rgba(4, 47, 122, .75));
  opacity: 0; transition: opacity .2s;
}
.shot a:hover::after { opacity: 1; }

/* ---------- 响应式 ---------- */
@media (max-width: 720px) {
  .header-inner { padding: 10px 16px; gap: 10px; }
  .site-nav { margin-left: 0; width: 100%; order: 3; overflow-x: auto; flex-wrap: nowrap; }
  .site-nav a { white-space: nowrap; }
  .header-cta { margin-left: auto; }
  .hero { padding: 30px 0 26px; }
  .hero::before { height: 380px; top: -34%; }
  .factbox { padding: 20px 18px; }
  .flow-band { padding: 24px 20px; }
  .case dl { grid-template-columns: 1fr 1fr; }
}

/* ---------- 无障碍：尊重减弱动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero::before { animation: none; }
  .card, .case, .contact-item, .btn { transition: none; }
  .card:hover, .btn-primary:hover { transform: none; }
}

@media print {
  .site-header, .site-footer, .hero-actions { display: none; }
  body { background: #fff; background-image: none; }
  .card, .case, .factbox { box-shadow: none; }
}

/* ============================================================
   以下是网络安全整改（2026-10）新增的类。
   背景：线上启用了不含 'unsafe-inline' 的 Content-Security-Policy，
   内联 style="..." 属性会被浏览器直接丢弃 —— 而且不报错、不抛异常，
   只是样式静默失效。因此所有零散样式一律落到类名上。

   ⚠️ 新增样式请写在这里，不要再往 HTML 里写 style="..."。
   （回归检查见 scripts/test-cost.mjs 的「页面无内联 style 属性」断言）
   ============================================================ */

/* 首页数据条：与上方 hero 拉开距离 */
.home-stats { padding-top: 32px; }
.stat-cap { margin: 6px 0 0; font-size: .88rem; }

/* 卡片底部「查看服务详情 →」 */
.card-more { margin-top: 12px; }
/* 整段内容的「查看全部… →」 */
.more-row { margin-top: 14px; }

/* 区块自带内边距，其中的首个标题不需要再撑上间距。
   类选择器特异性高于元素选择器（h3 { margin-top }），无需 !important。 */
.h-tight { margin-top: 0; }

/* 服务详情 / 案例卡 */
.case-h2 { margin: 0; font-size: 1.3rem; }
.case-sub { margin-top: 12px; }

/* 联系页 */
.contact-addr { margin-top: 24px; }
.contact-note { font-size: .9rem; }

/* CTA 区块按上下文区分上间距 */
.callout-26 { margin-top: 26px; }
.callout-28 { margin-top: 28px; }

/* 表下注释：居中版（原内联 margin-top + text-align） */
.table-note-center { margin-top: 20px; text-align: center; }